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DevOps Full Course 2024 | DevOps Tutorial For Beginners | DevOps Course | Intellipaat

3 min read 1 year ago

Published on Aug 05, 2024 This response is partially generated with the help of AI. It may contain inaccuracies.

Table of Contents

Introduction

This tutorial provides a comprehensive guide to getting started with DevOps, focusing on key concepts and tools that are essential for beginners. We will explore the fundamentals of DevOps, version control with Git, containerization using Docker, configuration management with Ansible, continuous integration with Jenkins, and more. Each step will include practical advice and actionable instructions to help you effectively learn and implement these tools in your workflow.

Step 1: Understand the Basics of DevOps

DevOps is a culture that promotes collaboration between development (Dev) and operations (Ops) teams throughout the software development lifecycle.
Key benefits of DevOps include faster software delivery, improved collaboration and communication, and enhanced efficiency.
DevOps encourages automation, continuous integration, and continuous delivery.

Step 2: Get Started with Version Control Using Git

Install Git: Download and install Git from git-scm.com.
Initialize a Repository: Create a new directory for your project and run the following command to initialize a Git repository:
```
git init
```
Add Files to Repository: Use the command below to add files to your repository:
```
git add <filename>
```
Commit Changes: Record your changes with a commit:
```
git commit -m "Initial commit"
```

Step 3: Explore Branching and Merging in Git

Create a Branch: Branching allows you to work on features independently.
```
git branch <branch-name>
```
Switch to a Branch: Change to the branch you want to work on:
```
git checkout <branch-name>
```
Merge Changes: Once you're done with your feature, switch back to the master branch and merge:
```
git checkout master
git merge <branch-name>
```

Step 4: Containerization with Docker

Install Docker: Follow the instructions on Docker's official website to install Docker.
Run a Container: Use an image from Docker Hub to run a container:
```
docker run -d --name my-nginx -p 80:80 nginx
```
This command runs an Nginx container and maps port 80 of the host to port 80 of the container.
Access the Application: After the container is running, access it via your browser using your server's public IP address.

Step 5: Configuration Management with Ansible

Install Ansible: Install Ansible using the following command:
```
sudo apt install ansible
```
Create an Inventory File: Define your hosts in an inventory file (e.g., inventory.ini):
```
[webservers]
server1 ansible_host=192.168.1.100
```

Run a Playbook: Create a playbook to automate tasks, such as installing a web server:

- hosts: webservers
  tasks:
    - name: Install Nginx
      apt:
        name: nginx
        state: present

Execute the playbook with:

ansible-playbook -i inventory.ini playbook.yml

Step 6: Continuous Integration with Jenkins

Install Jenkins: Follow the official Jenkins installation guide to get Jenkins running.
Create a Job: Set up a new job in Jenkins for your project:
- Click on "New Item"
- Enter a name, select "Freestyle project," and click "OK."
Configure Build Triggers: Set up triggers to automate builds based on events such as code commits.

Conclusion

In this tutorial, we covered the foundational concepts of DevOps and explored essential tools such as Git, Docker, Ansible, and Jenkins. By following these steps, you can start implementing DevOps practices in your projects. As you progress, consider diving deeper into each tool and explore advanced features to further enhance your DevOps skills.

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